/*
Theme Name: YK Window
Theme URI: https://system.ykwindow.com
Author: YK창호
Description: YK창호 접이식도어 시공 전문업체 커스텀 테마
Version: 1.0
Text Domain: yk-window
*/

/* ===== 변수 ===== */
:root{
  --bg:#F2F2F2;
  --bg-sub:#D9D9CE;
  --accent-1:#34495E;
  --accent-2:#C5A059;
  --text:#1A1A1A;
  --radius:12px;
  --gap-mobile:24px;
  --section-gap:48px;
  --img-text-gap:16px;
}

/* ===== 리셋 ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Pretendard',-apple-system,BlinkMacSystemFont,'Malgun Gothic',sans-serif;
  font-size:16px;
  line-height:1.6;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font:inherit;border:none;background:none;cursor:pointer;color:inherit}
input,textarea{font:inherit}

/* ===== 타이포그래피 ===== */
h1,h2,h3,h4{font-weight:700;line-height:1.35;letter-spacing:-0.01em}
h1{font-size:29px}
h2{font-size:22px}
h3{font-size:18px}
h4{font-size:16px}
p{font-size:16px;line-height:1.6}
.eyebrow{font-weight:400;color:var(--accent-1);font-size:15px;margin-bottom:8px;display:block}

@media(min-width:768px){
  h1{font-size:44px}
  h2{font-size:32px}
  h3{font-size:22px}
}

/* ===== 레이아웃 ===== */
.container{max-width:1160px;margin:0 auto;padding:0 var(--gap-mobile)}
@media(min-width:768px){.container{padding:0 40px}}
section{padding:var(--section-gap) 0}
.section-head{margin-bottom:32px;max-width:640px}
.section-head h2{margin-bottom:12px}
.section-head p{color:#4a4a4a}
.bg-sub{background:var(--bg-sub)}

/* ===== 버튼 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--radius);
  font-weight:700;font-size:16px;white-space:nowrap;
  transition:opacity .2s ease;
}
.btn:active{opacity:.8}
.btn-primary{background:var(--accent-1);color:#fff}
.btn-gold{background:var(--accent-2);color:#fff}
.btn-outline{background:transparent;color:var(--accent-1);border:1.5px solid var(--accent-1)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}
.btn svg{width:20px;height:20px;flex-shrink:0}

/* ===== 헤더 ===== */
.site-header{
  position:sticky;top:0;z-index:100;background:rgba(242,242,242,.94);
  backdrop-filter:blur(6px);border-bottom:1px solid #e2e2da;
}
.site-header .inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:18px}
.brand img{width:32px;height:32px}
.pc-nav{display:none}
@media(min-width:900px){
  .pc-nav{display:flex;align-items:center;gap:32px;margin-left:auto;margin-right:24px}
  .pc-nav a{display:flex;align-items:center;gap:6px;font-weight:500}
  .pc-nav svg{width:20px;height:20px}
}
.hamburger-btn{
  display:flex;align-items:center;justify-content:center;
  width:44px;height:44px;flex-shrink:0;
}
.hamburger-btn svg{width:24px;height:24px}
@media(min-width:900px){.hamburger-btn{display:none}}

.mobile-menu{
  max-height:0;overflow:hidden;background:var(--bg);
  transition:max-height .3s ease;border-bottom:1px solid #e2e2da;
}
.mobile-menu.is-open{max-height:320px}
.mobile-menu ul{padding:8px var(--gap-mobile) 20px;display:flex;flex-direction:column;gap:4px}
.mobile-menu a{display:flex;align-items:center;gap:10px;min-height:44px;font-weight:500}
.mobile-menu svg{width:24px;height:24px;color:var(--accent-1)}

/* ===== 히어로 ===== */
.hero{position:relative;padding:0;overflow:hidden}
.hero-media{position:relative;width:100%;aspect-ratio:4/5;background:var(--accent-1)}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-overlay{display:none}
.hero-body{padding:32px var(--gap-mobile) 40px}
.hero-body .eyebrow{color:var(--accent-2)}
.hero-body h1{margin-bottom:14px}
.hero-body p{margin-bottom:24px;color:#3a3a3a}
@media(min-width:900px){
  .hero{display:flex;align-items:stretch;min-height:560px}
  .hero-media{position:absolute;inset:0;aspect-ratio:auto}
  .hero-overlay{display:block;position:absolute;inset:0;background:linear-gradient(90deg,rgba(26,26,26,.42) 0%,rgba(26,26,26,.08) 60%)}
  .hero-body{position:relative;z-index:2;max-width:640px;padding:120px 40px;color:#fff}
  .hero-body p{color:#eee}
}

/* ===== 카드 그리드 ===== */
.grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:640px){.grid-2{grid-template-columns:1fr 1fr}}
@media(min-width:900px){.grid-3{grid-template-columns:repeat(3,1fr)}}

.card{border-radius:var(--radius);overflow:hidden;background:#fff;position:relative}
.card-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--bg-sub)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-media img{transform:scale(1.06)}
.card-overlay{
  position:absolute;inset:0;background:linear-gradient(0deg,rgba(26,26,26,.75) 0%,rgba(26,26,26,0) 55%);
  display:flex;align-items:flex-end;padding:var(--img-text-gap);
  opacity:1;
}
.card-overlay .card-title{color:#fff;font-weight:700;font-size:17px;transform:translateY(0);transition:transform .3s ease}
.card:hover .card-overlay .card-title{transform:translateY(-4px)}
.card-link-indicator{
  position:absolute;top:12px;right:12px;width:32px;height:32px;border-radius:50%;
  background:rgba(255,255,255,.92);display:flex;align-items:center;justify-content:center;
  transition:transform .3s ease;
}
.card:hover .card-link-indicator{transform:rotate(45deg)}
.card-link-indicator svg{width:16px;height:16px;color:var(--accent-1)}
.card-body{padding:var(--img-text-gap)}
.card-body h3{margin-bottom:4px}
.card-body p{font-size:14px;color:#555}

.center-cta{display:flex;justify-content:center;margin-top:32px}

/* ===== 아이콘 카드(Pain/WhyUs 등) ===== */
.icon-card{background:#fff;border-radius:var(--radius);padding:24px 20px}
.icon-card .icon-wrap{
  width:48px;height:48px;border-radius:var(--radius);background:var(--bg-sub);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.icon-card svg{width:24px;height:24px;color:var(--accent-1)}
.icon-card h3{margin-bottom:8px}
.icon-card p{color:#4a4a4a;font-size:15px}

/* ===== 스와이프 슬라이더(모바일 공통) ===== */
.swipe-slider{
  display:flex;overflow-x:auto;gap:16px;scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;padding-bottom:4px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.swipe-slider::-webkit-scrollbar{display:none}
.swipe-slider>*{flex:0 0 100%;scroll-snap-align:center}
.swipe-dots{display:flex;justify-content:center;gap:8px;margin-top:16px}
.swipe-dots span{width:8px;height:8px;border-radius:50%;background:#c8c8bd;transition:background .2s ease}
.swipe-dots span.is-active{background:var(--accent-1)}
@media(min-width:900px){
  .swipe-slider{display:grid;grid-template-columns:repeat(3,1fr);overflow:visible}
  .swipe-slider.cols-4{grid-template-columns:repeat(4,1fr)}
  .swipe-dots{display:none}
}

/* ===== 프로세스 ===== */
.process-card{background:#fff;border-radius:var(--radius);padding:24px 20px;position:relative}
.process-num{
  font-family:'Pretendard';font-weight:700;font-size:14px;color:var(--accent-2);
  border:1.5px solid var(--accent-2);width:28px;height:28px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}

/* ===== FAQ 아코디언 ===== */
.faq-item{border-bottom:1px solid #dcdcd2}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 4px;text-align:left;font-weight:700;font-size:16px;min-height:44px;
}
.faq-q svg{width:20px;height:20px;flex-shrink:0;transition:transform .25s ease}
.faq-item.is-open .faq-q svg{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 4px 20px;color:#4a4a4a}

/* ===== 상담 CTA 섹션(푸터 위) ===== */
.consult-cta{background:var(--accent-1);color:#fff;text-align:center}
.consult-cta h2{margin-bottom:12px}
.consult-cta p{color:#dfe4e9;margin-bottom:28px}
.consult-cta .btn-row{justify-content:center}
.consult-cta .btn-outline{background:transparent;color:#fff;border-color:#fff}
.consult-cta .btn-outline:active{opacity:.7}

/* ===== 푸터 ===== */
.site-footer{background:#20242b;color:#c9ccd1;padding:40px 0 32px}
.site-footer .foot-brand{color:#fff;font-weight:700;font-size:18px;margin-bottom:12px}
.site-footer p{font-size:14px;line-height:1.9;color:#b3b6bc}
.foot-links{display:flex;gap:24px;margin-top:24px;flex-wrap:wrap}
.foot-links a{display:flex;align-items:center;gap:6px;font-size:14px;min-height:44px}
.foot-links svg{width:20px;height:20px}

.case-photo{width:100%;height:auto;border-radius:var(--radius);margin-bottom:24px;object-fit:cover}
.case-photo-square{aspect-ratio:1/1}
.case-photo-wide{aspect-ratio:3/2}

/* ===== 서브페이지 공통 히어로(케이스/서비스) ===== */
.page-hero{padding:48px 0 8px}
.page-hero .eyebrow{color:var(--accent-2)}
.page-hero p{color:#4a4a4a;margin-top:12px}

/* ===== 스크롤 fade-in ===== */
[data-fade]{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
[data-fade].is-visible{opacity:1;transform:translateY(0)}

/* ===== 유틸 ===== */
.text-center{text-align:center}
.mt-24{margin-top:24px}
.items-start{align-items:start}
.ml-auto{margin-left:auto}
.eyebrow-light{color:#c9ccd1}
.stack-16{display:flex;flex-direction:column;gap:16px;margin-top:16px}
.link-list{display:flex;flex-direction:column;gap:12px;margin-top:16px}
.divider{height:1px;background:#e2e2da;margin:var(--section-gap) 0}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{background:var(--bg-sub);border-radius:999px;padding:6px 14px;font-size:13px;color:var(--accent-1)}
.stat-block{background:#fff;border-radius:var(--radius);padding:24px;margin-top:24px}
.info-table{width:100%;border-collapse:collapse;margin-top:16px}
.info-table th,.info-table td{text-align:left;padding:14px 12px;border-bottom:1px solid #e2e2da;font-size:15px}
.info-table th{width:110px;color:#666;font-weight:500}